Home / 20,269,794.24-27,971,970.48-10,977,288.90

Finding the Fourth Proportional to 20,269,794.24, 27,971,970.48 and 10,977,288.90

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Solution

The fourth proportional to 20,269,794.24, 27,971,970.48 and 10,977,288.90 is: 15,148,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,794.24 : 27,971,970.48 = 10,977,288.90 : x
  2. Step 2: Convert to fraction form
    20,269,794.24/27,971,970.48 = 10,977,288.90/x
  3. Step 3: Cross multiply
    20,269,794.24x = 27,971,970.48 × 10,977,288.90
  4. Step 4: Simplify right side
    20,269,794.24x = 307,056,401,061,231.69
  5. Step 5: Solve for x
    x = 307,056,401,061,231.69/20,269,794.24
  6. Step 6: Final answer
    x = 15,148,471.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.